Beaver, R. J., Ramey, M., & Mendenhall, W. (1973). Study guide [to] Statistics for psychology [by] William Mendenhall, Madelaine Ramey. Duxburg Press.
Lua i Stíl Chicago (17ú heag.)Beaver, Robert J., Madelaine Ramey, agus William Mendenhall. Study Guide [to] Statistics for Psychology [by] William Mendenhall, Madelaine Ramey. North Scituate, Mass.: Duxburg Press, 1973.
Lua MLA (8ú heag.)Beaver, Robert J., et al. Study Guide [to] Statistics for Psychology [by] William Mendenhall, Madelaine Ramey. Duxburg Press, 1973.
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